/* * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
#ifndef MsiDb_h #define MsiDb_h
#include <windows.h> #include <msiquery.h>
#include"MsiUtils.h"
class Guid;
namespace msi {
void closeDatabaseView(MSIHANDLE h);
class CA; class DatabaseView; class DatabaseRecord;
/** * Opens product's database to query properties. * The database is opened in R/O mode, i.e. it is safe to call this method * even if there is active install/uninstall session. Unlike MsiOpenProduct(), * it never fails with 1618 ('Another installation is * already in progress') error code. * * Database can be opened from product code GUID, path to msi package or from * custom action. * * If opened from CA the database is opened in R/W mode, however only adding * new temporary records is supported. It is forbidden to change data in * existing records.
*/ class Database { public: /** * Opens msi database from the given product code GUID. * Throws exception if fails.
*/ explicit Database(const Guid& productCode);
/** * Opens msi database from the given path to .msi file. * Throws exception if fails.
*/ explicit Database(const tstring& msiPath);
/** * Opens msi database from the given custom action. * Throws exception if fails.
*/ explicit Database(const CA& ca);
~Database() { if (dbHandle != 0) {
closeMSIHANDLE(dbHandle);
}
}
/** * Returns value of property with the given name. * Throws NoMoreItemsError if property with the given name doesn't exist * or Error if some error occurred.
*/
tstring getProperty(const tstring& name) const;
/** * Returns value of property with the given name. * Returns empty string if property with the given name doesn't exist or * if some error occurred.
*/
tstring getProperty(const std::nothrow_t&, const tstring& name) const;
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